Safety shut-off valve

Details Safety shut-off valve Safety shut-off valve

F - Mech Eng,Light,Heat,Weapons

16

K

137/35

F16K 31/12 (2006.01)

Patent

CA 1170955

Abstract of the Disclosure In a safety shut-orr valve, a housing includes a valve member therein, having a rirst valve seat, and against whlch a valve normally rests during closure, with a spring normally biasing said valve off of said first valve seat, and with the force of the pressurized fiuid passing through the valve causing sald valve to act against the rorce of a regulator and a second spring to become unseated for allowing gas flow, and reseated once again against a second valve seat when excessive pressure is encountered and which curtails the further flow of fluid through the valve housing, and thereby shutting off the fluid from its source.

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